/**
* @brief Low level GDISP driver initialization.
*
* @notapi
*/
bool_t GDISP_LLD(init)(void) {
#ifdef LCD_USE_FSMC
/* FSMC setup. TODO: this only works for STM32F1 */
rccEnableAHB(RCC_AHBENR_FSMCEN, 0);
int FSMC_Bank = 0;
/* timing structure */
/* from datasheet:
address setup: 0ns
address hold: 0ns
Data setup: 5ns
Data hold: 5ns
Data access: 250ns
output hold: 100ns
*/
FSMC_Bank1->BTCR[FSMC_Bank+1] = FSMC_BTR1_ADDSET_1 | FSMC_BTR1_DATAST_1;
/* Bank1 NOR/SRAM control register configuration */
FSMC_Bank1->BTCR[FSMC_Bank] = FSMC_BCR1_MWID_0 | FSMC_BCR1_WREN | FSMC_BCR1_MBKEN;
#endif
lld_lcdWriteReg(0x0000,0x0001); lld_lcdDelay(5);
lld_lcdWriteReg(0x0003,0xA8A4); lld_lcdDelay(5);
lld_lcdWriteReg(0x000C,0x0000); lld_lcdDelay(5);
lld_lcdWriteReg(0x000D,0x080C); lld_lcdDelay(5);
lld_lcdWriteReg(0x000E,0x2B00); lld_lcdDelay(5);
lld_lcdWriteReg(0x001E,0x00B0); lld_lcdDelay(5);
lld_lcdWriteReg(0x0001,0x2B3F); lld_lcdDelay(5);
lld_lcdWriteReg(0x0002,0x0600); lld_lcdDelay(5);
lld_lcdWriteReg(0x0010,0x0000); lld_lcdDelay(5);
lld_lcdWriteReg(0x0011,0x6070); lld_lcdDelay(5);
lld_lcdWriteReg(0x0005,0x0000); lld_lcdDelay(5);
lld_lcdWriteReg(0x0006,0x0000); lld_lcdDelay(5);
lld_lcdWriteReg(0x0016,0xEF1C); lld_lcdDelay(5);
lld_lcdWriteReg(0x0017,0x0003); lld_lcdDelay(5);
lld_lcdWriteReg(0x0007,0x0133); lld_lcdDelay(5);
lld_lcdWriteReg(0x000B,0x0000); lld_lcdDelay(5);
lld_lcdWriteReg(0x000F,0x0000); lld_lcdDelay(5);
lld_lcdWriteReg(0x0041,0x0000); lld_lcdDelay(5);
lld_lcdWriteReg(0x0042,0x0000); lld_lcdDelay(5);
lld_lcdWriteReg(0x0048,0x0000); lld_lcdDelay(5);
lld_lcdWriteReg(0x0049,0x013F); lld_lcdDelay(5);
lld_lcdWriteReg(0x004A,0x0000); lld_lcdDelay(5);
lld_lcdWriteReg(0x004B,0x0000); lld_lcdDelay(5);
lld_lcdWriteReg(0x0044,0xEF00); lld_lcdDelay(5);
lld_lcdWriteReg(0x0045,0x0000); lld_lcdDelay(5);
lld_lcdWriteReg(0x0046,0x013F); lld_lcdDelay(5);
lld_lcdWriteReg(0x0030,0x0707); lld_lcdDelay(5);
lld_lcdWriteReg(0x0031,0x0204); lld_lcdDelay(5);
lld_lcdWriteReg(0x0032,0x0204); lld_lcdDelay(5);
lld_lcdWriteReg(0x0033,0x0502); lld_lcdDelay(5);
lld_lcdWriteReg(0x0034,0x0507); lld_lcdDelay(5);
lld_lcdWriteReg(0x0035,0x0204); lld_lcdDelay(5);
lld_lcdWriteReg(0x0036,0x0204); lld_lcdDelay(5);
lld_lcdWriteReg(0x0037,0x0502); lld_lcdDelay(5);
lld_lcdWriteReg(0x003A,0x0302); lld_lcdDelay(5);
lld_lcdWriteReg(0x003B,0x0302); lld_lcdDelay(5);
lld_lcdWriteReg(0x0023,0x0000); lld_lcdDelay(5);
lld_lcdWriteReg(0x0024,0x0000); lld_lcdDelay(5);
lld_lcdWriteReg(0x0025,0x8000); lld_lcdDelay(5);
lld_lcdWriteReg(0x004f,0x0000); lld_lcdDelay(5);
lld_lcdWriteReg(0x004e,0x0000); lld_lcdDelay(5);
/* Initialise the GDISP structure */
GDISP.Width = SCREEN_WIDTH;
GDISP.Height = SCREEN_HEIGHT;
GDISP.Orientation = portrait;
GDISP.Powermode = powerOn;
GDISP.Backlight = 100;
GDISP.Contrast = 50;
#if GDISP_NEED_VALIDATION || GDISP_NEED_CLIP
GDISP.clipx0 = 0;
GDISP.clipy0 = 0;
GDISP.clipx1 = GDISP.Width;
GDISP.clipy1 = GDISP.Height;
#endif
return TRUE;
}
bool_t gdisp_lld_init(void) {
/* Initialise your display */
gdisp_lld_init_board();
/* Hardware reset */
gdisp_lld_reset_pin(TRUE);
lld_lcdDelay(1000);
gdisp_lld_reset_pin(FALSE);
lld_lcdDelay(1000);
// chinese code starts here
lld_lcdWriteReg(0x0000,0x0001);
lld_lcdDelay(10);
lld_lcdWriteReg(0x0015,0x0030);
lld_lcdWriteReg(0x0011,0x0040);
lld_lcdWriteReg(0x0010,0x1628);
lld_lcdWriteReg(0x0012,0x0000);
lld_lcdWriteReg(0x0013,0x104d);
lld_lcdDelay(10);
lld_lcdWriteReg(0x0012,0x0010);
lld_lcdDelay(10);
lld_lcdWriteReg(0x0010,0x2620);
lld_lcdWriteReg(0x0013,0x344d); //304d
lld_lcdDelay(10);
lld_lcdWriteReg(0x0001,0x0100);
lld_lcdWriteReg(0x0002,0x0300);
lld_lcdWriteReg(0x0003,0x1038);//0x1030
lld_lcdWriteReg(0x0008,0x0604);
lld_lcdWriteReg(0x0009,0x0000);
lld_lcdWriteReg(0x000A,0x0008);
lld_lcdWriteReg(0x0041,0x0002);
lld_lcdWriteReg(0x0060,0x2700);
lld_lcdWriteReg(0x0061,0x0001);
lld_lcdWriteReg(0x0090,0x0182);
lld_lcdWriteReg(0x0093,0x0001);
lld_lcdWriteReg(0x00a3,0x0010);
lld_lcdDelay(10);
//################# void Gamma_Set(void) ####################//
lld_lcdWriteReg(0x30,0x0000);
lld_lcdWriteReg(0x31,0x0502);
lld_lcdWriteReg(0x32,0x0307);
lld_lcdWriteReg(0x33,0x0305);
lld_lcdWriteReg(0x34,0x0004);
lld_lcdWriteReg(0x35,0x0402);
lld_lcdWriteReg(0x36,0x0707);
lld_lcdWriteReg(0x37,0x0503);
lld_lcdWriteReg(0x38,0x1505);
lld_lcdWriteReg(0x39,0x1505);
lld_lcdDelay(10);
//################## void Display_ON(void) ####################//
lld_lcdWriteReg(0x0007,0x0001);
lld_lcdDelay(10);
lld_lcdWriteReg(0x0007,0x0021);
lld_lcdWriteReg(0x0007,0x0023);
lld_lcdDelay(10);
lld_lcdWriteReg(0x0007,0x0033);
lld_lcdDelay(10);
lld_lcdWriteReg(0x0007,0x0133);
// chinese code ends here
// Turn on the backlight
gdisp_lld_backlight(GDISP_INITIAL_BACKLIGHT);
/* Initialise the GDISP structure */
GDISP.Width = GDISP_SCREEN_WIDTH;
GDISP.Height = GDISP_SCREEN_HEIGHT;
GDISP.Orientation = GDISP_ROTATE_0;
GDISP.Powermode = powerOn;
GDISP.Backlight = GDISP_INITIAL_BACKLIGHT;
GDISP.Contrast = GDISP_INITIAL_CONTRAST;
#if GDISP_NEED_VALIDATION || GDISP_NEED_CLIP
GDISP.clipx0 = 0;
GDISP.clipy0 = 0;
GDISP.clipx1 = GDISP.Width;
GDISP.clipy1 = GDISP.Height;
#endif
return TRUE;
}
void gdisp_lld_control(unsigned what, void *value) {
switch(what) {
case GDISP_CONTROL_POWER:
if(GDISP.Powermode == (gdisp_powermode_t)value)
return;
switch((gdisp_powermode_t)value) {
case powerOff:
lld_lcdWriteReg(0x0007, 0x0000);
lld_lcdWriteReg(0x0010, 0x0000);
lld_lcdWriteReg(0x0011, 0x0000);
lld_lcdWriteReg(0x0012, 0x0000);
lld_lcdWriteReg(0x0013, 0x0000);
gdisp_lld_backlight(0);
break;
case powerOn:
//*************Power On sequence ******************//
lld_lcdWriteReg(0x0010, 0x0000); /* SAP, BT[3:0], AP, DSTB, SLP, STB */
lld_lcdWriteReg(0x0011, 0x0000); /* DC1[2:0], DC0[2:0], VC[2:0] */
lld_lcdWriteReg(0x0012, 0x0000); /* VREG1OUT voltage */
lld_lcdWriteReg(0x0013, 0x0000); /* VDV[4:0] for VCOM amplitude */
lld_lcdDelay(2000); /* Dis-charge capacitor power voltage */
lld_lcdWriteReg(0x0010, 0x17B0); /* SAP, BT[3:0], AP, DSTB, SLP, STB */
lld_lcdWriteReg(0x0011, 0x0147); /* DC1[2:0], DC0[2:0], VC[2:0] */
lld_lcdDelay(500);
lld_lcdWriteReg(0x0012, 0x013C); /* VREG1OUT voltage */
lld_lcdDelay(500);
lld_lcdWriteReg(0x0013, 0x0E00); /* VDV[4:0] for VCOM amplitude */
lld_lcdWriteReg(0x0029, 0x0009); /* VCM[4:0] for VCOMH */
lld_lcdDelay(500);
lld_lcdWriteReg(0x0007, 0x0173); /* 262K color and display ON */
gdisp_lld_backlight(GDISP.Backlight);
if(GDISP.Powermode != powerSleep || GDISP.Powermode != powerDeepSleep)
gdisp_lld_init();
break;
case powerSleep:
lld_lcdWriteReg(0x0007, 0x0000); /* display OFF */
lld_lcdWriteReg(0x0010, 0x0000); /* SAP, BT[3:0], APE, AP, DSTB, SLP */
lld_lcdWriteReg(0x0011, 0x0000); /* DC1[2:0], DC0[2:0], VC[2:0] */
lld_lcdWriteReg(0x0012, 0x0000); /* VREG1OUT voltage */
lld_lcdWriteReg(0x0013, 0x0000); /* VDV[4:0] for VCOM amplitude */
lld_lcdDelay(2000); /* Dis-charge capacitor power voltage */
lld_lcdWriteReg(0x0010, 0x0002); /* SAP, BT[3:0], APE, AP, DSTB, SLP */
gdisp_lld_backlight(0);
break;
case powerDeepSleep:
lld_lcdWriteReg(0x0007, 0x0000); /* display OFF */
lld_lcdWriteReg(0x0010, 0x0000); /* SAP, BT[3:0], APE, AP, DSTB, SLP */
lld_lcdWriteReg(0x0011, 0x0000); /* DC1[2:0], DC0[2:0], VC[2:0] */
lld_lcdWriteReg(0x0012, 0x0000); /* VREG1OUT voltage */
lld_lcdWriteReg(0x0013, 0x0000); /* VDV[4:0] for VCOM amplitude */
lld_lcdDelay(2000); /* Dis-charge capacitor power voltage */
lld_lcdWriteReg(0x0010, 0x0004); /* SAP, BT[3:0], APE, AP, DSTB, SLP */
gdisp_lld_backlight(0);
break;
default:
return;
}
GDISP.Powermode = (gdisp_powermode_t)value;
return;
case GDISP_CONTROL_ORIENTATION:
if(GDISP.Orientation == (gdisp_orientation_t)value)
return;
switch((gdisp_orientation_t)value) {
case GDISP_ROTATE_0:
lld_lcdWriteReg(0x0001, 0x0100);
lld_lcdWriteReg(0x0003, 0x1038);
lld_lcdWriteReg(0x0060, 0x2700);
GDISP.Height = GDISP_SCREEN_HEIGHT;
GDISP.Width = GDISP_SCREEN_WIDTH;
break;
case GDISP_ROTATE_90:
lld_lcdWriteReg(0x0001, 0x0000);
lld_lcdWriteReg(0x0003, 0x1030);
lld_lcdWriteReg(0x0060, 0x2700);
GDISP.Height = GDISP_SCREEN_WIDTH;
GDISP.Width = GDISP_SCREEN_HEIGHT;
break;
case GDISP_ROTATE_180:
lld_lcdWriteReg(0x0001, 0x0000);
lld_lcdWriteReg(0x0003, 0x1038);
lld_lcdWriteReg(0x0060, 0xa700);
GDISP.Height = GDISP_SCREEN_HEIGHT;
GDISP.Width = GDISP_SCREEN_WIDTH;
break;
case GDISP_ROTATE_270:
lld_lcdWriteReg(0x0001, 0x0100);
lld_lcdWriteReg(0x0003, 0x1030);
lld_lcdWriteReg(0x0060, 0xA700);
GDISP.Height = GDISP_SCREEN_WIDTH;
GDISP.Width = GDISP_SCREEN_HEIGHT;
break;
default:
return;
}
#if GDISP_NEED_CLIP || GDISP_NEED_VALIDATION
GDISP.clipx0 = 0;
GDISP.clipy0 = 0;
GDISP.clipx1 = GDISP.Width;
GDISP.clipy1 = GDISP.Height;
#endif
GDISP.Orientation = (gdisp_orientation_t)value;
return;
case GDISP_CONTROL_BACKLIGHT:
if((unsigned)value > 100) value = (void *)100;
gdisp_lld_backlight((unsigned)value);
GDISP.Backlight = (unsigned)value;
break;
default:
return;
}
}
bool_t gdisp_lld_init(void) {
/* Initialise your display */
gdisp_lld_init_board();
/* Hardware reset */
gdisp_lld_reset_pin(TRUE);
lld_lcdDelay(1000);
gdisp_lld_reset_pin(FALSE);
lld_lcdDelay(1000);
DISPLAY_CODE = lld_lcdReadReg(0);
lld_lcdWriteReg(0x0000, 0x0001); //start Int. osc
lld_lcdDelay(500);
lld_lcdWriteReg(0x0001, 0x0100); //Set SS bit (shift direction of outputs is from S720 to S1)
lld_lcdWriteReg(0x0002, 0x0700); //select the line inversion
lld_lcdWriteReg(0x0003, 0x1038); //Entry mode(Horizontal : increment,Vertical : increment, AM=1)
lld_lcdWriteReg(0x0004, 0x0000); //Resize control(No resizing)
lld_lcdWriteReg(0x0008, 0x0202); //front and back porch 2 lines
lld_lcdWriteReg(0x0009, 0x0000); //select normal scan
lld_lcdWriteReg(0x000A, 0x0000); //display control 4
lld_lcdWriteReg(0x000C, 0x0000); //system interface(2 transfer /pixel), internal sys clock,
lld_lcdWriteReg(0x000D, 0x0000); //Frame marker position
lld_lcdWriteReg(0x000F, 0x0000); //selects clk, enable and sync signal polarity,
lld_lcdWriteReg(0x0010, 0x0000); //
lld_lcdWriteReg(0x0011, 0x0000); //power control 2 reference voltages = 1:1,
lld_lcdWriteReg(0x0012, 0x0000); //power control 3 VRH
lld_lcdWriteReg(0x0013, 0x0000); //power control 4 VCOM amplitude
lld_lcdDelay(500);
lld_lcdWriteReg(0x0010, 0x17B0); //power control 1 BT,AP
lld_lcdWriteReg(0x0011, 0x0137); //power control 2 DC,VC
lld_lcdDelay(500);
lld_lcdWriteReg(0x0012, 0x0139); //power control 3 VRH
lld_lcdDelay(500);
lld_lcdWriteReg(0x0013, 0x1d00); //power control 4 vcom amplitude
lld_lcdWriteReg(0x0029, 0x0011); //power control 7 VCOMH
lld_lcdDelay(500);
lld_lcdWriteReg(0x0030, 0x0007);
lld_lcdWriteReg(0x0031, 0x0403);
lld_lcdWriteReg(0x0032, 0x0404);
lld_lcdWriteReg(0x0035, 0x0002);
lld_lcdWriteReg(0x0036, 0x0707);
lld_lcdWriteReg(0x0037, 0x0606);
lld_lcdWriteReg(0x0038, 0x0106);
lld_lcdWriteReg(0x0039, 0x0007);
lld_lcdWriteReg(0x003c, 0x0700);
lld_lcdWriteReg(0x003d, 0x0707);
lld_lcdWriteReg(0x0020, 0x0000); //starting Horizontal GRAM Address
lld_lcdWriteReg(0x0021, 0x0000); //starting Vertical GRAM Address
lld_lcdWriteReg(0x0050, 0x0000); //Horizontal GRAM Start Position
lld_lcdWriteReg(0x0051, 0x00EF); //Horizontal GRAM end Position
lld_lcdWriteReg(0x0052, 0x0000); //Vertical GRAM Start Position
lld_lcdWriteReg(0x0053, 0x013F); //Vertical GRAM end Position
switch (DISPLAY_CODE) {
case 0x9320:
lld_lcdWriteReg(0x0060, 0x2700); //starts scanning from G1, and 320 drive lines
break;
case 0x9325:
lld_lcdWriteReg(0x0060, 0xA700); //starts scanning from G1, and 320 drive lines
break;
}
lld_lcdWriteReg(0x0061, 0x0001); //fixed base display
lld_lcdWriteReg(0x006a, 0x0000); //no scroll
lld_lcdWriteReg(0x0090, 0x0010); //set Clocks/Line =16, Internal Operation Clock Frequency=fosc/1,
lld_lcdWriteReg(0x0092, 0x0000); //set gate output non-overlap period=0
lld_lcdWriteReg(0x0093, 0x0003); //set Source Output Position=3
lld_lcdWriteReg(0x0095, 0x0110); //RGB interface(Clocks per line period=16 clocks)
lld_lcdWriteReg(0x0097, 0x0110); //set Gate Non-overlap Period 0 locksc
lld_lcdWriteReg(0x0098, 0x0110); //
lld_lcdWriteReg(0x0007, 0x0173); //display On
// Turn on the backlight
gdisp_lld_backlight(GDISP_INITIAL_BACKLIGHT);
/* Initialise the GDISP structure */
GDISP.Width = GDISP_SCREEN_WIDTH;
GDISP.Height = GDISP_SCREEN_HEIGHT;
GDISP.Orientation = GDISP_ROTATE_0;
GDISP.Powermode = powerOn;
GDISP.Backlight = GDISP_INITIAL_BACKLIGHT;
GDISP.Contrast = GDISP_INITIAL_CONTRAST;
#if GDISP_NEED_VALIDATION || GDISP_NEED_CLIP
GDISP.clipx0 = 0;
GDISP.clipy0 = 0;
GDISP.clipx1 = GDISP.Width;
GDISP.clipy1 = GDISP.Height;
#endif
return TRUE;
}
